Head to head
2
Hard
1
0
Grass
2
Juan Martin del Potro's wins on the left · Lleyton Hewitt's on the right · bar lengths share one scale
All meetings (5)
| 2013 | US Open | Hard | R64 | Lleyton Hewitt | 6-4 5-7 3-6 7-6(2) 6-1 |
| 2013 | Queen's Club | Grass | QF | Lleyton Hewitt | 6-2 2-6 6-2 |
| 2011 | San Jose | Hard | QF | Juan Martin del Potro | 6-2 6-3 |
| 2009 | Washington | Hard | R16 | Juan Martin del Potro | 4-6 6-3 7-6(2) |
| 2009 | Wimbledon | Grass | R64 | Lleyton Hewitt | 6-3 7-5 7-5 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.